.talk {
    width: 100%;
    overflow: auto;
}

.talk_collection {
    width: 95%;
    margin: auto;
    line-height: 50px;
    height: 50px;
    border: 1px solid black;
    border-radius: 5px;
}

.talk_font {
    font-family: "微软雅黑";
    margin-left: 10px;
}

.leftFolat {
    float: left;
}

.talk_peoson {
    margin-top: 1%;
}

.rightFloat {
    float: right;
}

.announce {
    width: 95%;
    margin: auto;
    height: 110px;
    margin-top: 20px;
    background-color: #ffffff;
    box-shadow: 5px 5px 5px 5px #ffffff;
    border-radius: 5px;
}

.announce img {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    margin-left: 5%;
}

.mainly_text {
    margin: auto;
    width: 89%;
    overflow: hidden;
    text-overflow: ellipsis;
    -webkit-line-clamp: 2;
    display: -webkit-box;
    -webkit-box-orient: vertical;
}

.single {
    margin-top: 10px;
    width: 80px;
    height: 20px;
    margin-left: 10%;
    opacity: 0.5;
    background: rgb(170, 167, 167);
    border-radius: 5px;
}